[Gllug] Capturing network traffic

[Matthew Thompson]

On 10 Oct 2006, at 20:30, Dylan wrote:

> Hello All,
>
> I have a Swann DVR4-Net-PLUS which is a DVR for security cameras. I  
> was hoping
> that its network functionality would be available through some kind of
> browser interface, but unfortunately it is tied to a client program  
> which is
> (unsurprisingly) a Windows application.
>
> I have a dual-boot machine with the control and monitoring s/ware  
> installed
> and running, but this is obviously not an ideal solution. I am  
> wondering,
> however, if I could arrange to capture the network traffic between  
> the DVR
> and the Windows client program. I figure I can introduce a linux  
> machine
> configured as a gateway/bridge/router and have it record all the  
> relevant
> packets. So, what software might I look at for achieving this? Any  
> ideas or
> suggestions would be greatly appreciated.

Don't even bother with a linux box as a router.

Place a 100Mb hub on the network with the linux box and the windows  
cliant hanging off it.

Install Wireshark (http://www.wireshark.org/ formerly Ethereal) and  
use that. That way you can capture exactly what happens and not have  
to worry about getting a bridge setup right first.

M at t :o)

-- 
Matthew Thompson
matt.thompson at actuality.co.uk
http://www.voipnews.org.uk/



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